update index operator has bug after insert overwrite table by hive engine

[hfsugar]

Software Environment:

• OpenLooKeng version (source or binary):
  1.7
• OS platform & distribution (eg., Linux Ubuntu 16.04):
  linux
• Java version:

Describe the current behavior

exp thrown in updateIndex
java.lang.IllegalStateException: Duplicate key /warehouse1/bili_infra.db/index_test2/log_date=20210711/000000_0 (attempted merging values 1648718284093 and 1648786448561)

Describe the expected behavior

FileIndexWriter.persist
needs to check if any old index files should be deleted.

Steps to reproduce the issue

create index idx2 using minmax on hive.bili_infra.index_test2 (mid);

executing sql in hive engine as below

insert overwrite table bili_infra.index_test2 partition (log_date) select * from bili_infra.index_test2 where log_date='20210711' and mid<>0;

update index idx2

4. update again

update index idx2

java.lang.IllegalStateException: Duplicate key /warehouse1/bili_infra.db/index_test2/log_date=20210711/000000_0 (attempted merging values 1648718284093 and 1648786448561)

Related log/screenshots

index_test2 created as below.

Special notes for this issue